Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb7 draw
7 Kc7 draw
8 Ra5 draw
9 Rb5 draw
10 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc7 draw
14 Re5 draw
15 Rf5 draw
16 Rh5 draw
17 Kb5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Rg5 loss in 1 half-moves